Intel Core 2 Duo T6400 vs Intel Core 2 Duo P7450 vs Intel Core 2 Duo SU7300

Intel Core 2 Duo T6400

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The Intel Core 2 Duo T6400 is an entry level dual core processor for cheap laptops. It is based on the Penryn core but offers only 2 MB level 2 cache and a slow clock speed of 2 GHz. The performance should be sufficient for office and other casual tasks but high level gaming and HD video editing for example could be limited by the CPU performance.

Intel Core 2 Duo P7450

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The Intel Core 2 Duo P7450 is a dual core processor for laptops. It features 2.1 GHz and a shared level 2 cache of 3 MB. It is based on the 45nm Penryn core, but Trusted Execution and Virtualization (VT-x) are disabled.

The P7450 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.

The integrated Enhanced Speedstep is able to downclock the core dynamically as low as 800 MHz to save power (in idle mode).

Intel Core 2 Duo SU7300

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The Intel Core 2 Duo SU7300 is a CULV laptop processor for small and light laptops. Due to the small clock speed, the CPU is specified with a TDP of only 10 Watt. For non demanding tasks, the performance of both cores is sufficient. Many laptops with the SU7300 feature an overclocking option to run the CPU at higher clock rates (e.g. 1.7 GHz in the Asus UL series). Compared to the Atom series, the SU7300 is signifantly faster.

Intel Core 2 Duo T6400Intel Core 2 Duo P7450Intel Core 2 Duo SU7300
Intel Core 2 DuoIntel Core 2 DuoIntel Core 2 Duo
PenrynPenrynPenryn
: Core 2 Duo Penryn
Intel Core 2 Duo T99003060 MHz2 / 2
Intel Core 2 Duo T98002920 MHz2 / 2
Intel Core 2 Duo P97002800 MHz2 / 2
Intel Core 2 Duo T96002800 MHz2 / 2
Intel Core 2 Duo P96002660 MHz2 / 2
Intel Core 2 Duo T95502660 MHz2 / 2
Intel Core 2 Duo T95002600 MHz2 / 2
Intel Core 2 Duo SP96002530 MHz2 / 2
Intel Core 2 Duo P95002530 MHz2 / 2
Intel Core 2 Duo T94002530 MHz2 / 2
Intel Core 2 Duo P88002660 MHz2 / 2
Intel Core 2 Duo T93002500 MHz2 / 2
Intel Core 2 Duo P87002530 MHz2 / 2
Intel Core 2 Duo SP94002400 MHz2 / 2
Intel Core 2 Duo P86002400 MHz2 / 2
Intel Core 2 Duo T83002400 MHz2 / 2
Intel Core 2 Duo SP93002260 MHz2 / 2
Intel Core 2 Duo P84002260 MHz2 / 2
Intel Core 2 Duo P75702260 MHz2 / 2
Intel Core 2 Duo P75502260 MHz2 / 2
Intel Core 2 Duo T67702300 MHz2 / 2
Intel Core 2 Duo SL96002130 MHz2 / 2
Intel Core 2 Duo P74502130 MHz2 / 2
Intel Core 2 Duo T66702200 MHz2 / 2
Intel Core 2 Duo T66002200 MHz2 / 2
Intel Core 2 Duo T81002100 MHz2 / 2
Intel Core 2 Duo P73702000 MHz2 / 2
Intel Core 2 Duo P73502000 MHz2 / 2
Intel Core 2 Duo T65702100 MHz2 / 2
Intel Core 2 Duo T65002100 MHz2 / 2
Intel Core 2 Duo SL94001860 MHz2 / 2
Intel Core 2 Duo SL93801800 MHz2 / 2
» Intel Core 2 Duo T64002000 MHz2 / 2
Intel Core 2 Duo SL93001600 MHz2 / 2
Intel Core 2 Duo SU96001600 MHz2 / 2
Intel Core 2 Duo SU94001400 MHz2 / 2
Intel Core 2 Duo SU73001300 MHz2 / 2
Intel Core 2 Duo SU93001200 MHz2 / 2
Intel Core 2 Duo T99003060 MHz2 / 2
Intel Core 2 Duo T98002920 MHz2 / 2
Intel Core 2 Duo P97002800 MHz2 / 2
Intel Core 2 Duo T96002800 MHz2 / 2
Intel Core 2 Duo P96002660 MHz2 / 2
Intel Core 2 Duo T95502660 MHz2 / 2
Intel Core 2 Duo T95002600 MHz2 / 2
Intel Core 2 Duo SP96002530 MHz2 / 2
Intel Core 2 Duo P95002530 MHz2 / 2
Intel Core 2 Duo T94002530 MHz2 / 2
Intel Core 2 Duo P88002660 MHz2 / 2
Intel Core 2 Duo T93002500 MHz2 / 2
Intel Core 2 Duo P87002530 MHz2 / 2
Intel Core 2 Duo SP94002400 MHz2 / 2
Intel Core 2 Duo P86002400 MHz2 / 2
Intel Core 2 Duo T83002400 MHz2 / 2
Intel Core 2 Duo SP93002260 MHz2 / 2
Intel Core 2 Duo P84002260 MHz2 / 2
Intel Core 2 Duo P75702260 MHz2 / 2
Intel Core 2 Duo P75502260 MHz2 / 2
Intel Core 2 Duo T67702300 MHz2 / 2
Intel Core 2 Duo SL96002130 MHz2 / 2
» Intel Core 2 Duo P74502130 MHz2 / 2
Intel Core 2 Duo T66702200 MHz2 / 2
Intel Core 2 Duo T66002200 MHz2 / 2
Intel Core 2 Duo T81002100 MHz2 / 2
Intel Core 2 Duo P73702000 MHz2 / 2
Intel Core 2 Duo P73502000 MHz2 / 2
Intel Core 2 Duo T65702100 MHz2 / 2
Intel Core 2 Duo T65002100 MHz2 / 2
Intel Core 2 Duo SL94001860 MHz2 / 2
Intel Core 2 Duo SL93801800 MHz2 / 2
Intel Core 2 Duo T64002000 MHz2 / 2
Intel Core 2 Duo SL93001600 MHz2 / 2
Intel Core 2 Duo SU96001600 MHz2 / 2
Intel Core 2 Duo SU94001400 MHz2 / 2
Intel Core 2 Duo SU73001300 MHz2 / 2
Intel Core 2 Duo SU93001200 MHz2 / 2
Intel Core 2 Duo T99003060 MHz2 / 2
Intel Core 2 Duo T98002920 MHz2 / 2
Intel Core 2 Duo P97002800 MHz2 / 2
Intel Core 2 Duo T96002800 MHz2 / 2
Intel Core 2 Duo P96002660 MHz2 / 2
Intel Core 2 Duo T95502660 MHz2 / 2
Intel Core 2 Duo T95002600 MHz2 / 2
Intel Core 2 Duo SP96002530 MHz2 / 2
Intel Core 2 Duo P95002530 MHz2 / 2
Intel Core 2 Duo T94002530 MHz2 / 2
Intel Core 2 Duo P88002660 MHz2 / 2
Intel Core 2 Duo T93002500 MHz2 / 2
Intel Core 2 Duo P87002530 MHz2 / 2
Intel Core 2 Duo SP94002400 MHz2 / 2
Intel Core 2 Duo P86002400 MHz2 / 2
Intel Core 2 Duo T83002400 MHz2 / 2
Intel Core 2 Duo SP93002260 MHz2 / 2
Intel Core 2 Duo P84002260 MHz2 / 2
Intel Core 2 Duo P75702260 MHz2 / 2
Intel Core 2 Duo P75502260 MHz2 / 2
Intel Core 2 Duo T67702300 MHz2 / 2
Intel Core 2 Duo SL96002130 MHz2 / 2
Intel Core 2 Duo P74502130 MHz2 / 2
Intel Core 2 Duo T66702200 MHz2 / 2
Intel Core 2 Duo T66002200 MHz2 / 2
Intel Core 2 Duo T81002100 MHz2 / 2
Intel Core 2 Duo P73702000 MHz2 / 2
Intel Core 2 Duo P73502000 MHz2 / 2
Intel Core 2 Duo T65702100 MHz2 / 2
Intel Core 2 Duo T65002100 MHz2 / 2
Intel Core 2 Duo SL94001860 MHz2 / 2
Intel Core 2 Duo SL93801800 MHz2 / 2
Intel Core 2 Duo T64002000 MHz2 / 2
Intel Core 2 Duo SL93001600 MHz2 / 2
Intel Core 2 Duo SU96001600 MHz2 / 2
Intel Core 2 Duo SU94001400 MHz2 / 2
» Intel Core 2 Duo SU73001300 MHz2 / 2
Intel Core 2 Duo SU93001200 MHz2 / 2
2000 MHz2130 MHz1300 MHz
8001066800
2 MB3 MB3 MB
2 / 22 / 22 / 2
35 25 10
45 45 1.05-1.15V45
105 °C90 °C105 °C
PGA478PGA478BGA956
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), IDA (Intel Dynamic Acceleration)Intel 64, Enhanced Speedstep, Execute Disable BitEnhanced Speedstep, VT-x, TXT
Intel Core 2 Duo T6400Intel Core 2 Duo P7450Intel Core 2 Duo SU7300
410 410
107 mm2107 mm2

Cinebench R20 - CPU (Single Core)
84 Points (16%)
Cinebench R20 - CPU (Multi Core)
160 Points (2%)
Cinebench R15 - CPU Multi 64Bit
min: 72     avg: 72.2     median: 72.2 (2%)     max: 72.43 Points
01020304050607080Tooltip
Cinebench R15 - CPU Single 64Bit
min: 38.39     avg: 38.7     median: 38.7 (17%)     max: 39 Points
Cinebench R11.5 - CPU Multi 64Bit
min: 0.77     avg: 0.8     median: 0.8 (2%)     max: 0.79 Points
Cinebench R11.5 - CPU Single 64Bit
0.4 Points (16%)
Cinebench R10 - Rendering Single 32Bit
min: 2082     avg: 2115     median: 2115 (22%)     max: 2154 Points
min: 2242     avg: 2389     median: 2305.5 (24%)     max: 2575 Points
min: 869     avg: 1462     median: 1496 (15%)     max: 1645 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
min: 3704     avg: 3963     median: 4005 (7%)     max: 4078 Points
min: 4121     avg: 4473     median: 4373 (7%)     max: 4863 Points
min: 1642     avg: 2777     median: 2813 (5%)     max: 3181 Points
Cinebench R10 - Rendering Multiple CPUs 64Bit
min: 3020     avg: 3045     median: 3045.5 (4%)     max: 3067 Points
Cinebench R10 - Rendering Single CPUs 64Bit
min: 1501     avg: 1576     median: 1586 (15%)     max: 1629 Points
wPrime 2.0x - 1024m *
1249 seconds (15%)
min: 1229.5     avg: 1237     median: 1239 (15%)     max: 1242.63 seconds
min: 2029     avg: 3417     median: 3615 (43%)     max: 4607.85 seconds
wPrime 2.0x - 32m *
39.4 seconds (8%)
min: 35.9     avg: 38     median: 38.6 (8%)     max: 39 seconds
min: 37.2     avg: 67.6     median: 61.3 (12%)     max: 118.483 seconds
WinRAR - Result
885 KB/s (9%)
7-Zip 18.03 - 7z b 4
2537 MIPS (3%)
7-Zip 18.03 - 7z b 4 -mmt1
1445 MIPS (10%)
X264 HD Benchmark 4.0 - Pass 2
4.8 fps (3%)
X264 HD Benchmark 4.0 - Pass 1
26.5 fps (9%)
HWBOT x265 Benchmark v2.2 - 4k Preset
0.5 fps (2%)
010Tooltip
TrueCrypt - Serpent Mean 100MB
0 GB/s (2%)
TrueCrypt - Twofish Mean 100MB
0.1 GB/s (2%)
TrueCrypt - AES Mean 100MB
0.1 GB/s (0%)
Blender 2.79 - BMW27 CPU *
8394 Seconds (59%)
R Benchmark 2.5 - Overall mean *
2.9 sec (62%)
3DMark 06 - CPU
min: 1711     avg: 1757     median: 1749 (12%)     max: 1819 Points
min: 1845     avg: 1881     median: 1877 (13%)     max: 1923 Points
min: 1078     avg: 1173     median: 1178 (8%)     max: 1229 Points
3DMark 06 - CPU - Standard 1280x768 1280x768
1791 Points (59%)
1892 Points (62%)
min: 1105     avg: 1145     median: 1145 (38%)     max: 1185 Points
3DMark 06 - CPU - Standard 1280x720
1762 Points (55%)
min: 1908     avg: 1919     median: 1910 (60%)     max: 1938 Points
Super Pi mod 1.5 XS 1M *
min: 26     avg: 28.8     median: 26.5 (6%)     max: 34 Seconds
min: 22     avg: 23.4     median: 23.9 (5%)     max: 25 Seconds
min: 22     avg: 34.2     median: 37.2 (8%)     max: 38 Seconds
Super Pi mod 1.5 XS 2M *
min: 61     avg: 64     median: 64 (3%)     max: 67 Seconds
min: 54     avg: 55.6     median: 55.3 (2%)     max: 59.6 Seconds
min: 54     avg: 78     median: 85 (4%)     max: 88 Seconds
Super Pi Mod 1.5 XS 32M *
min: 1368     avg: 1532     median: 1531.5 (7%)     max: 1695 Seconds
min: 1334     avg: 1338     median: 1337.5 (6%)     max: 1341 Seconds
min: 1341     avg: 1830     median: 2059 (9%)     max: 2091 Seconds
SiSoft Sandra Dhrystone (MIPS)
min: 18396     avg: 18438     median: 18437.5 (9%)     max: 18479 MIPS
min: 16477     avg: 18533     median: 19560 (9%)     max: 19563 MIPS
min: 10480     avg: 11679     median: 11968.5 (6%)     max: 12300 MIPS
SiSoft Sandra Whetstone (MFLOPS)
min: 14630     avg: 14670     median: 14670 (11%)     max: 14710 MFLOPS
min: 14460     avg: 14811     median: 14700 (11%)     max: 15272 MFLOPS
min: 8790     avg: 9118     median: 8911 (7%)     max: 9860 MFLOPS
PCMark 05 - Standard 1024x768
min: 4479     avg: 5038     median: 4916 (31%)     max: 6001 Points
min: 4809     avg: 5158     median: 5055 (32%)     max: 5712 Points
min: 2440     avg: 2819     median: 2819 (18%)     max: 3198 Points
Windows Vista Experience Index - CPU
4.9 Points (70%)
5.1 Points (73%)
4.2 Points (60%)
Windows 7 Experience Index - Processor
5.7 points (73%)
4.1 points (53%)
3DMark Vantage - P CPU no PhysX 1280x1024
3909 Points (5%)
min: 3804     avg: 3918     median: 3918 (5%)     max: 4032 Points
min: 2303     avg: 2494     median: 2579 (4%)     max: 2600 Points
3DMark - Ice Storm Standard Physics 1280x720
11926 Points (8%)
3DMark - Cloud Gate Standard Physics 1280x720
983 Points (2%)
Geekbench 3 - 64 Bit Multi-Core Score
1536 Points (2%)
Geekbench 3 - 64 Bit Single-Core Score
855 Points (17%)
Geekbench 4.4 - 64 Bit Single-Core Score
1024 Points (16%)
Geekbench 4.4 - 64 Bit Multi-Core Score
1707 Points (3%)
Geekbench 5.1 - 64 Bit Single-Core Score
207 Points (14%)
Geekbench 5.1 - 64 Bit Multi-Core Score
392 Points (3%)

Average Benchmarks Intel Core 2 Duo T6400 → 100%

Average Benchmarks Intel Core 2 Duo P7450 → 103%

Average Benchmarks Intel Core 2 Duo SU7300 → 89%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2017-09-11)